Article Text

Characteristics associated with sexual assaults at mass gatherings
  1. Kari Sampsel1,2,
  2. Justin Godbout3,
  3. Tara Leach1,
  4. Monica Taljaard2,4,
  5. Lisa Calder1,2
  1. 1Department of Emergency Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
  2. 2Clinical Epidemiology Program, Ottawa Health Research Institute, Ottawa, Ontario, Canada
  3. 3University of Ottawa, Ottawa, Ontario, Canada
  4. 4Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada
  1. Correspondence to Dr Kari Sampsel, Department of Emergency Medicine, The Ottawa Hospital, 1053 Carling Avenue, Ottawa, Canada ON K1Y 4E9; ksampsel{at}toh.on.ca

Abstract

Introduction Sexual assault is disturbingly common, yet little is known about those occurring at mass gatherings, defined as a group of people congregated for a common purpose. Our objectives were to examine patterns of variation in sexual assault associated with mass gatherings and to determine factors associated with assaults occurring at mass gatherings.

Methods We performed a case series analysis from January to December, 2013. We included all patients >16 years presenting within 30 days of their sexual assault to the Ottawa Hospital Sexual Assault and Partner Abuse Care Program (SAPACP). Cases were stratified by whether or not they occurred at mass gatherings. We abstracted from the SAPACP records: patient and sexual assault characteristics, alcohol or drug consumption and medical and forensic care accepted. We performed descriptive analyses and multiple logistical regression to identify factors associated with mass gathering assaults.

Results We found 204 cases of sexual assault, of which 53 (26%) occurred at mass gatherings. Relative frequencies of mass gathering sexual assaults peaked during New Year's Eve, Canada Day, university frosh week and Halloween. We found the following factors were statistically significantly associated with sexual assault at mass gatherings: younger age (OR=0.95, 95% CI 0.91 to 0.99); voluntary consumption of drugs and alcohol (3.88, 95% CI 1.34 to 11.23); assault occurring on a holiday (2.37, 95% CI 1.00 to 5.64) and the assailant unknown to the victim (2.43, 95% CI 1.15 to 5).

Interpretation This study is the first to describe patterns of variation in sexual assault incidents associated with occurrence of mass gatherings as well as factors associated with such assaults. We will disseminate these results to key stakeholders in order to develop prevention-minded policies for future mass gatherings.

  • violence, interpersonal
  • mass gathering medicine
  • forensic/legal medicine

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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